Answer:
o 1)
[tex]Y= 6x + 11 \\ \\ 6x = Y - 11 \\ \\ x = \frac{Y - 11}{6} \\ \\ x = \frac{Y}{6} - \frac{11}{6} [/tex]
___o__o__
o 2)
[tex]A = \frac{1}{2} bh \\ \\ bh = A \div \frac{1}{2} \\ \\ bh = A \times 2 \\ \\ bh = 2A[/tex]
[tex]b = \frac{2A}{h} [/tex]
[tex]h = \frac{2A}{b} [/tex]
